Answers by Oleksandr Hrin
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Answers by Oleksandr Hrin

Answers by Oleksandr Hrin
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How long a time t will it take for the 133 54xe to decay so that eventually its activity decreases by a factor of 1024?
answered Feb 22, 2018
7 votes
93.1k views
There were 429 people at a play. admission was $1 for adults and 75 cents for children. the receipts were $372.50. how many adults and how many children attended the play?
answered Feb 20, 2018
6 votes
24.9k views
A dinner bill of $31.37 had 6% tax added to that total. What was the amount of the tax? A. $1.88 B. $1.57 C. $33.25 D. $18.82
answered Oct 6, 2017
6 votes
105k views
The Demilitarized Zone between North and South Korea was established in a. 1953. b. 1911. c. 1963. d. 1945.
answered May 10, 2016
3 votes
144k views
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